Sennheiser PXC 550-II Wireless Headphones Black | Guitar Center
Amazon.com: Sennheiser Sport True Wireless Earbuds - Bluetooth in-Ear Headphones, Music and Calls with Adaptable Acoustics, Noise Isolation, Touch Controls, IP54 27-Hour Battery, Black : Electronics
Sennheiser Momentum Wireless review: Premium wireless sound for a premium price - CNET